Home / 465,389.46-697,438.33-212,050.82

Finding the Fourth Proportional to 465,389.46, 697,438.33 and 212,050.82

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Solution

The fourth proportional to 465,389.46, 697,438.33 and 212,050.82 is: 317,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,389.46 : 697,438.33 = 212,050.82 : x
  2. Step 2: Convert to fraction form
    465,389.46/697,438.33 = 212,050.82/x
  3. Step 3: Cross multiply
    465,389.46x = 697,438.33 × 212,050.82
  4. Step 4: Simplify right side
    465,389.46x = 147,892,370,989.40
  5. Step 5: Solve for x
    x = 147,892,370,989.40/465,389.46
  6. Step 6: Final answer
    x = 317,781.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.